Boletines de Vulnerabilidades

int(4461)

Boletines de Vulnerabilidades

Denegación de servicio en Libpng
Clasificación de la vulnerabilidad
Propiedad	Valor
Nivel de Confianza	Oficial
Impacto	Denegación de Servicio
Dificultad	Experto
Requerimientos del atacante	Acceso remoto sin cuenta a un servicio estandar
Información sobre el sistema
Propiedad	Valor
Fabricante afectado	GNU/Linux
Software afectado	Libpng < 1.0.42 Libpng < 1.2.34
Descripción
Se ha descubierto una vulnerabilidad en Libpng. La vulnerabilidad reside en un error en la función "png_check_keyword". Un atacante remoto podría modificar regiones de memoria a cero y causar una denegación de servicio mediante ficheros PNG especialmente diseñados.
Solución
Actualización de software Suse Linux Las actualizaciones pueden descargarse mediante YAST o del servidor FTP oficial de Suse Linux. Debian (DSA-1750-1) Debian Linux 4.0 Source http://security.debian.org/pool/updates/main/libp/libpng/libpng_1.2.15~beta5.orig.tar.gz http://security.debian.org/pool/updates/main/libp/libpng/libpng_1.2.15~beta5-1+etch2.diff.gz http://security.debian.org/pool/updates/main/libp/libpng/libpng_1.2.15~beta5-1+etch2.dsc Arquitectura independiente: http://security.debian.org/pool/updates/main/libp/libpng/libpng3_1.2.15~beta5-1+etch2_all.deb alpha (DEC Alpha) http://security.debian.org/pool/updates/main/libp/libpng/libpng12-dev_1.2.15~beta5-1+etch2_alpha.deb http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0_1.2.15~beta5-1+etch2_alpha.deb http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0-udeb_1.2.15~beta5-1+etch2_alpha.udeb amd64 (AMD x86_64 (AMD64)) http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0_1.2.15~beta5-1+etch2_amd64.deb http://security.debian.org/pool/updates/main/libp/libpng/libpng12-dev_1.2.15~beta5-1+etch2_amd64.deb http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0-udeb_1.2.15~beta5-1+etch2_amd64.udeb arm (ARM) http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0-udeb_1.2.15~beta5-1+etch2_arm.udeb http://security.debian.org/pool/updates/main/libp/libpng/libpng12-dev_1.2.15~beta5-1+etch2_arm.deb http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0_1.2.15~beta5-1+etch2_arm.deb hppa (HP PA RISC) http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0-udeb_1.2.15~beta5-1+etch2_hppa.udeb http://security.debian.org/pool/updates/main/libp/libpng/libpng12-dev_1.2.15~beta5-1+etch2_hppa.deb http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0_1.2.15~beta5-1+etch2_hppa.deb i386 (Intel ia32) http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0-udeb_1.2.15~beta5-1+etch2_i386.udeb http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0_1.2.15~beta5-1+etch2_i386.deb http://security.debian.org/pool/updates/main/libp/libpng/libpng12-dev_1.2.15~beta5-1+etch2_i386.deb ia64 (Intel ia64) http://security.debian.org/pool/updates/main/libp/libpng/libpng12-dev_1.2.15~beta5-1+etch2_ia64.deb http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0-udeb_1.2.15~beta5-1+etch2_ia64.udeb http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0_1.2.15~beta5-1+etch2_ia64.deb mips (MIPS (Big Endian)) http://security.debian.org/pool/updates/main/libp/libpng/libpng12-dev_1.2.15~beta5-1+etch2_mips.deb http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0_1.2.15~beta5-1+etch2_mips.deb http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0-udeb_1.2.15~beta5-1+etch2_mips.udeb mipsel (MIPS (Little Endian)) http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0-udeb_1.2.15~beta5-1+etch2_mipsel.udeb http://security.debian.org/pool/updates/main/libp/libpng/libpng12-dev_1.2.15~beta5-1+etch2_mipsel.deb http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0_1.2.15~beta5-1+etch2_mipsel.deb powerpc (PowerPC) http://security.debian.org/pool/updates/main/libp/libpng/libpng12-dev_1.2.15~beta5-1+etch2_powerpc.deb http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0_1.2.15~beta5-1+etch2_powerpc.deb http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0-udeb_1.2.15~beta5-1+etch2_powerpc.udeb s390 (IBM S/390) http://security.debian.org/pool/updates/main/libp/libpng/libpng12-dev_1.2.15~beta5-1+etch2_s390.deb http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0_1.2.15~beta5-1+etch2_s390.deb http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0-udeb_1.2.15~beta5-1+etch2_s390.udeb sparc (Sun SPARC/UltraSPARC) http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0-udeb_1.2.15~beta5-1+etch2_sparc.udeb http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0_1.2.15~beta5-1+etch2_sparc.deb http://security.debian.org/pool/updates/main/libp/libpng/libpng12-dev_1.2.15~beta5-1+etch2_sparc.deb Debian (DSA-1750-1) Debian Linux 5.0 Source http://security.debian.org/pool/updates/main/libp/libpng/libpng_1.2.27-2+lenny2.diff.gz http://security.debian.org/pool/updates/main/libp/libpng/libpng_1.2.27.orig.tar.gz http://security.debian.org/pool/updates/main/libp/libpng/libpng_1.2.27-2+lenny2.dsc Arquitectura independiente: http://security.debian.org/pool/updates/main/libp/libpng/libpng3_1.2.27-2+lenny2_all.deb alpha (DEC Alpha) http://security.debian.org/pool/updates/main/libp/libpng/libpng12-dev_1.2.27-2+lenny2_alpha.deb http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0_1.2.27-2+lenny2_alpha.deb http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0-udeb_1.2.27-2+lenny2_alpha.udeb amd64 (AMD x86_64 (AMD64)) http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0-udeb_1.2.27-2+lenny2_amd64.udeb http://security.debian.org/pool/updates/main/libp/libpng/libpng12-dev_1.2.27-2+lenny2_amd64.deb http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0_1.2.27-2+lenny2_amd64.deb arm (ARM) http://security.debian.org/pool/updates/main/libp/libpng/libpng12-dev_1.2.27-2+lenny2_arm.deb http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0-udeb_1.2.27-2+lenny2_arm.udeb http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0_1.2.27-2+lenny2_arm.deb armel (ARM EABI) http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0-udeb_1.2.27-2+lenny2_armel.udeb http://security.debian.org/pool/updates/main/libp/libpng/libpng12-dev_1.2.27-2+lenny2_armel.deb http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0_1.2.27-2+lenny2_armel.deb hppa (HP PA RISC) http://security.debian.org/pool/updates/main/libp/libpng/libpng12-dev_1.2.27-2+lenny2_hppa.deb http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0_1.2.27-2+lenny2_hppa.deb http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0-udeb_1.2.27-2+lenny2_hppa.udeb i386 (Intel ia32) http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0-udeb_1.2.27-2+lenny2_i386.udeb http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0_1.2.27-2+lenny2_i386.deb http://security.debian.org/pool/updates/main/libp/libpng/libpng12-dev_1.2.27-2+lenny2_i386.deb ia64 (Intel ia64) http://security.debian.org/pool/updates/main/libp/libpng/libpng12-dev_1.2.27-2+lenny2_ia64.deb http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0_1.2.27-2+lenny2_ia64.deb http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0-udeb_1.2.27-2+lenny2_ia64.udeb mips (MIPS (Big Endian)) http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0-udeb_1.2.27-2+lenny2_mips.udeb http://security.debian.org/pool/updates/main/libp/libpng/libpng12-dev_1.2.27-2+lenny2_mips.deb http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0_1.2.27-2+lenny2_mips.deb mipsel (MIPS (Little Endian)) http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0_1.2.27-2+lenny2_mipsel.deb http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0-udeb_1.2.27-2+lenny2_mipsel.udeb http://security.debian.org/pool/updates/main/libp/libpng/libpng12-dev_1.2.27-2+lenny2_mipsel.deb powerpc (PowerPC) http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0-udeb_1.2.27-2+lenny2_powerpc.udeb http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0_1.2.27-2+lenny2_powerpc.deb http://security.debian.org/pool/updates/main/libp/libpng/libpng12-dev_1.2.27-2+lenny2_powerpc.deb s390 (IBM S/390) http://security.debian.org/pool/updates/main/libp/libpng/libpng12-dev_1.2.27-2+lenny2_s390.deb http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0-udeb_1.2.27-2+lenny2_s390.udeb http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0_1.2.27-2+lenny2_s390.deb sparc (Sun SPARC/UltraSPARC) http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0-udeb_1.2.27-2+lenny2_sparc.udeb http://security.debian.org/pool/updates/main/libp/libpng/libpng12-dev_1.2.27-2+lenny2_sparc.deb http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0_1.2.27-2+lenny2_sparc.deb
Identificadores estándar
Propiedad	Valor
CVE	CVE-2008-5907
BID
Recursos adicionales
SUSE Security Advisory (SUSE-SR:2009:003) http://www.novell.com/linux/security/advisories/2009_3_sr.html Debian Security Advisory (DSA-1750-1) http://lists.debian.org/debian-security-announce/2009/msg00060.html